102320843 has 2 divisors, whose sum is σ = 102320844. Its totient is φ = 102320842.

The previous prime is 102320839. The next prime is 102320861. The reversal of 102320843 is 348023201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102320843 - 2² = 102320839 is a prime.

It is not a weakly prime, because it can be changed into another prime (102320143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160421 + 51160422.

It is an arithmetic number, because the mean of its divisors is an integer number (51160422).

Almost surely, 2^102320843 is an apocalyptic number.

102320843 is a deficient number, since it is larger than the sum of its proper divisors (1).

102320843 is an equidigital number, since it uses as much as digits as its factorization.

102320843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 102320843 is about 10115.3765624420. The cubic root of 102320843 is about 467.7222567923.

The spelling of 102320843 in words is "one hundred two million, three hundred twenty thousand, eight hundred forty-three".